单选题 Many readers are convinced that the compelling mysteries of each plot conceal elaboratestructures of allusion and fierce, though shadowy, moral ambitions that seem to indicate metaphysical intentions, ______.

A、 though efforts by critics to articulate these intentions have generated much controversy
B、 though efforts have generated much controversy by critics efforts to articulate these intentions
C、 because of efforts these intentions have generated much controversy by critics to articulate
D、 due to efforts by critics to articulate these intentions have generated much controversy

【正确答案】 A

【答案解析】解析：句意是，许多读者都相信每个故事情节的引人注目的神秘感背后却隐藏了精心设计的暗指以及令人难受的故事结构，尽管是虚幻的，但是道德雄心似乎表明了这种超自然的意图。不过评论家在努力阐明这些意图时产生了许多争议。B选项中，by cntics to articulate these intentions用于修饰efforts，作其定语，要放在其后；C和D选项表示原因，与前面句子表达的意思不符。所以正确答案是A选项。